20381569130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{156781301}}^1$

素因数の和:156781321

約数の個数: 16

約数和(自身を含む): 39508888104

約数和(自身を除く): 19127318974

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 156781301, 313562602, 783906505, 1567813010, 2038156913, 4076313826, 10190784565, 20381569130]

約数ペア:

[(1, 20381569130), (2, 10190784565), (5, 4076313826), (10, 2038156913), (13, 1567813010), (26, 783906505), (65, 313562602), (130, 156781301)]